Add support for Databricks Foundation Model API - Embedding & generative

[dirkkul]

parameters:

embedding:
only standard
weaviate/weaviate#5508

generative:
Model string
FrequencyPenalty *float64
Logprobs *bool
TopLogprobs *int
MaxTokens *int
N *int
PresencePenalty *float64
Stop []string
Temperature *float64
TopP *float64

weaviate/weaviate#5536